3v4l.org

run code in 300+ PHP versions simultaneously
<?php $originalArray = array( array('id' => 1, 'sub-id' => 0), array('id' => 2, 'sub-id' => 0), array('id' => 3, 'sub-id' => 1), array('id' => 4, 'sub-id' => 3), array('id' => 5, 'sub-id' => 4), array('id' => 6, 'sub-id' => 0), array('id' => 7, 'sub-id' => 0), array('id' => 8, 'sub-id' => 6), array('id' => 9, 'sub-id' => 8), array('id' => 10, 'sub-id' => 8) ); foreach ($originalArray as $val) { $array[$val["id"]] = $val; } // we first assign the arrays in a non-destructive way, so that we can easily find the // appropriate key in the array foreach ($array as $key => $val) { if ($val["sub-id"] !== 0) { $array[$val["sub-id"]]["sub"][] = & $array[$key]; } } // remove the ones from the first dimension which are somewhere deeper foreach ($array as $key => $val) { if ($val["sub-id"] !== 0) { unset($array[$key]); } } print_r($array);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0100.01018.68
8.3.50.0120.01021.21
8.3.40.0110.00418.85
8.3.30.0100.00320.20
8.3.20.0030.00520.38
8.3.10.0060.00321.12
8.3.00.0000.00723.48
8.2.180.0130.00616.63
8.2.170.0060.00922.96
8.2.160.0080.00520.50
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0050.00326.16
8.2.120.0050.00321.05
8.2.110.0000.01019.05
8.2.100.0110.00017.78
8.2.90.0000.00819.17
8.2.80.0040.00417.97
8.2.70.0080.00517.25
8.2.60.0040.00418.05
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0000.00819.50
8.2.20.0040.00417.71
8.2.10.0030.00517.81
8.2.00.0040.00417.80
8.1.280.0090.00625.92
8.1.270.0080.00023.99
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0040.00722.45
8.1.230.0070.00420.74
8.1.220.0000.00818.77
8.1.210.0060.00618.99
8.1.200.0000.00917.35
8.1.190.0040.00417.67
8.1.180.0050.00318.10
8.1.170.0000.00818.71
8.1.160.0000.00718.81
8.1.150.0040.00418.52
8.1.140.0000.00717.38
8.1.130.0000.00719.23
8.1.120.0050.00217.49
8.1.110.0000.00717.35
8.1.100.0000.00817.35
8.1.90.0050.00217.33
8.1.80.0030.00417.51
8.1.70.0080.00017.40
8.1.60.0030.00617.63
8.1.50.0040.00417.53
8.1.40.0030.00717.54
8.1.30.0050.00217.62
8.1.20.0000.00817.68
8.1.10.0030.00517.49
8.1.00.0040.00417.45
8.0.300.0040.00420.01
8.0.290.0040.00417.04
8.0.280.0000.00718.43
8.0.270.0000.00717.34
8.0.260.0000.00816.81
8.0.250.0040.00417.03
8.0.240.0000.00716.86
8.0.230.0040.00416.83
8.0.220.0030.00316.73
8.0.210.0000.00716.89
8.0.200.0070.00016.91
8.0.190.0040.00416.98
8.0.180.0080.00016.88
8.0.170.0040.00416.83
8.0.160.0040.00416.76
8.0.150.0000.00716.79
8.0.140.0050.00316.90
8.0.130.0000.00513.32
8.0.120.0000.00716.77
8.0.110.0030.00516.96
8.0.100.0050.00316.91
8.0.90.0040.00416.96
8.0.80.0040.01216.88
8.0.70.0040.00416.72
8.0.60.0070.00016.68
8.0.50.0080.00016.89
8.0.30.0150.00716.91
8.0.20.0100.00817.40
8.0.10.0040.00416.91
8.0.00.0110.01116.81
7.4.330.0060.00016.82
7.4.320.0040.00416.45
7.4.300.0060.00016.54
7.4.290.0030.00316.50
7.4.280.0040.00416.46
7.4.270.0030.00616.56
7.4.260.0030.00313.39
7.4.250.0000.00716.42
7.4.240.0070.00016.54
7.4.230.0030.00316.61
7.4.220.0060.01316.54
7.4.210.0070.01216.54
7.4.200.0030.00316.50
7.4.190.0000.00716.46
7.4.160.0090.00616.31
7.4.150.0080.01217.40
7.4.140.0070.01017.86
7.4.130.0120.00816.53
7.4.120.0040.01316.47
7.4.110.0040.01316.59
7.4.100.0110.00616.54
7.4.90.0150.00416.43
7.4.80.0140.00519.39
7.4.70.0140.00316.55
7.4.60.0120.00916.41
7.4.50.0030.00616.53
7.4.40.0070.01122.77
7.4.30.0100.00616.61
7.4.00.0050.00814.89
7.3.330.0000.00513.18
7.3.320.0070.00013.14
7.3.310.0030.00316.41
7.3.300.0030.00316.32
7.3.290.0040.01016.31
7.3.280.0080.00916.37
7.3.270.0100.00717.40
7.3.260.0130.00918.24
7.3.250.0100.01016.48
7.3.240.0090.00916.34
7.3.230.0170.00016.52
7.3.210.0110.01116.53
7.3.200.0100.01019.39
7.3.190.0090.01016.38
7.3.180.0120.00416.63
7.3.170.0000.01516.57
7.3.160.0100.00616.35
7.3.120.0040.01115.04
7.3.10.0160.01016.56
7.3.00.0100.00716.41
7.2.330.0140.00916.44
7.2.320.0140.00416.91
7.2.310.0060.01316.93
7.2.300.0110.00716.47
7.2.290.0030.01316.52
7.2.130.0080.00916.87
7.2.120.0070.01016.90
7.2.110.0070.00916.59
7.2.100.0110.00516.75
7.2.90.0070.01016.76
7.2.80.0150.00216.69
7.2.70.0100.00717.06
7.2.60.0100.00616.97
7.2.50.0080.01016.70
7.2.40.0070.00916.49
7.2.30.0080.00616.72
7.2.20.0050.01016.70
7.2.10.0070.01116.67
7.2.00.0080.00717.73
7.1.250.0090.00315.54
7.1.240.0030.01015.84
7.1.230.0070.00715.91
7.1.220.0060.00315.86
7.1.210.0000.01315.66
7.1.200.0000.01315.95
7.1.190.0060.00315.55
7.1.180.0060.01015.79
7.1.170.0080.00015.85
7.1.160.0080.00415.84
7.1.150.0030.01015.60
7.1.140.0040.00415.91
7.1.130.0080.00015.92
7.1.120.0110.00315.85
7.1.110.0040.01115.57
7.1.100.0060.00816.93
7.1.90.0000.01315.73
7.1.80.0040.00815.84
7.1.70.0060.00416.56
7.1.60.0050.00516.57
7.1.50.0060.01116.27
7.1.40.0000.01115.86
7.1.30.0110.00015.74
7.1.20.0030.01015.79
7.1.10.0060.01015.87
7.1.00.0030.03519.17
7.0.330.0070.00715.41
7.0.320.0050.00615.21
7.0.310.0030.00915.16
7.0.300.0030.01015.36
7.0.290.0040.00715.16
7.0.280.0000.01315.38
7.0.270.0120.00015.42
7.0.260.0060.01015.38
7.0.250.0040.00415.40
7.0.240.0070.00715.18
7.0.230.0040.00415.55
7.0.220.0070.00715.52
7.0.210.0060.00615.55
7.0.200.0040.00615.99
7.0.190.0070.01015.36
7.0.180.0130.00315.43
7.0.170.0030.00615.57
7.0.160.0060.00315.31
7.0.150.0060.00615.50
7.0.140.0060.04118.66
7.0.130.0000.01415.33
7.0.120.0040.01115.51
7.0.110.0030.00615.48
7.0.100.0180.02517.65
7.0.90.0070.02717.67
7.0.80.0040.02417.62
7.0.70.0080.03817.58
7.0.60.0050.04717.67
7.0.50.0080.02317.80
7.0.40.0170.02216.73
7.0.30.0070.04216.67
7.0.20.0150.03916.78
7.0.10.0090.04316.70
7.0.00.0050.05116.70
5.6.380.0070.00714.64
5.6.370.0070.00714.79
5.6.360.0030.00614.63
5.6.350.0150.00014.20
5.6.340.0060.00614.71
5.6.330.0120.00314.04
5.6.320.0060.01014.09
5.6.310.0030.01014.60
5.6.300.0100.00014.40
5.6.290.0090.00914.47
5.6.280.0070.03717.68
5.6.270.0060.00614.76
5.6.260.0080.00814.45
5.6.250.0050.04417.41
5.6.240.0060.04117.38
5.6.230.0090.02217.76
5.6.220.0050.04517.33
5.6.210.0050.03217.77
5.6.200.0140.03117.87
5.6.190.0070.04317.80
5.6.180.0040.03917.74
5.6.170.0070.04117.74
5.6.160.0040.04417.63
5.6.150.0030.03017.70
5.6.140.0120.03717.68
5.6.130.0080.02717.81
5.6.120.0070.04417.81
5.6.110.0080.04917.78
5.6.100.0070.04617.73
5.6.90.0050.03617.71
5.6.80.0100.04217.36
5.6.70.0120.03317.47
5.6.60.0030.02817.30
5.6.50.0070.02417.36
5.6.40.0040.04617.45
5.6.30.0070.03717.33
5.6.20.0080.03817.30
5.6.10.0120.02517.30
5.6.00.0060.02517.43
5.5.380.0110.02915.93
5.5.370.0080.03915.87
5.5.360.0070.04015.83
5.5.350.0100.04015.64
5.5.340.0110.03116.01
5.5.330.0070.03115.93
5.5.320.0130.04316.17
5.5.310.0060.04416.22
5.5.300.0080.04016.17
5.5.290.0100.04216.08
5.5.280.0180.02716.10
5.5.270.0070.02516.11
5.5.260.0070.04316.13
5.5.250.0070.04015.83
5.5.240.0060.03615.70
5.5.230.0130.02315.78
5.5.220.0110.03815.88
5.5.210.0090.04015.70
5.5.200.0050.04315.64
5.5.190.0050.03215.66
5.5.180.0080.02315.59
5.5.170.0110.00410.90
5.5.160.0110.01515.59
5.5.150.0050.02315.87
5.5.140.0110.03715.67
5.5.130.0020.04015.80
5.5.120.0080.04015.68
5.5.110.0090.02015.88
5.5.100.0050.04215.67
5.5.90.0030.02415.77
5.5.80.0080.04215.55
5.5.70.0040.02515.71
5.5.60.0070.03915.50
5.5.50.0110.03515.67
5.5.40.0100.03715.71
5.5.30.0060.02615.63
5.5.20.0070.04315.59
5.5.10.0080.02215.54
5.5.00.0080.03715.58
5.4.450.0080.02315.39
5.4.440.0070.04515.35
5.4.430.0180.02515.34
5.4.420.0050.04515.06
5.4.410.0080.04015.17
5.4.400.0060.04015.30
5.4.390.0070.03815.15
5.4.380.0100.03314.88
5.4.370.0030.04215.27
5.4.360.0100.03715.23
5.4.350.0080.03215.15
5.4.340.0050.04315.12
5.4.330.0030.00610.90
5.4.320.0070.03515.12
5.4.310.0100.03215.12
5.4.300.0070.03315.16
5.4.290.0070.01815.22
5.4.280.0060.02415.07
5.4.270.0090.02315.15
5.4.260.0100.02015.11
5.4.250.0070.04115.13
5.4.240.0100.04015.03
5.4.230.0100.02715.08
5.4.220.0070.04515.22
5.4.210.0070.04015.07
5.4.200.0030.02615.05
5.4.190.0040.04315.01
5.4.180.0080.02615.00
5.4.170.0100.03815.30
5.4.160.0050.02315.02
5.4.150.0080.03315.06
5.4.140.0060.03813.77
5.4.130.0020.04413.85
5.4.120.0060.03613.80
5.4.110.0070.03213.75
5.4.100.0040.02213.78
5.4.90.0090.03913.83
5.4.80.0120.03513.75
5.4.70.0090.03713.77
5.4.60.0100.03013.63
5.4.50.0080.03113.80
5.4.40.0050.03913.71
5.4.30.0070.03613.69
5.4.20.0070.03813.75
5.4.10.0120.03713.79
5.4.00.0070.04013.61
5.3.290.0070.02412.86
5.3.280.0080.03212.76
5.3.270.0120.02212.77
5.3.260.0060.03412.77
5.3.250.0110.03512.82
5.3.240.0030.04012.75
5.3.230.0020.03412.76
5.3.220.0070.02012.77
5.3.210.0070.04012.75
5.3.200.0020.02512.73
5.3.190.0080.02212.75
5.3.180.0130.02512.74
5.3.170.0030.02712.77
5.3.160.0050.04012.73
5.3.150.0040.03612.70
5.3.140.0050.04212.73
5.3.130.0070.04412.73
5.3.120.0070.02512.74
5.3.110.0030.04312.79
5.3.100.0150.03012.51
5.3.90.0050.03612.46
5.3.80.0140.03312.51
5.3.70.0090.03712.41
5.3.60.0020.04112.45
5.3.50.0120.01712.38
5.3.40.0060.03112.46
5.3.30.0020.02312.48
5.3.20.0030.02312.29
5.3.10.0050.02212.31
5.3.00.0070.02112.29
5.2.170.0070.02311.05
5.2.160.0050.03410.98
5.2.150.0050.01911.08
5.2.140.0060.01611.08
5.2.130.0030.02311.01
5.2.120.0040.01911.02
5.2.110.0010.02111.05
5.2.100.0010.02911.06
5.2.90.0030.02110.98
5.2.80.0020.01910.97
5.2.70.0070.01510.94
5.2.60.0050.01711.00
5.2.50.0030.01811.00
5.2.40.0000.02510.98
5.2.30.0030.01511.00
5.2.20.0090.01210.96
5.2.10.0040.01310.92
5.2.00.0030.01510.82
5.1.60.0030.01510.51
5.1.50.0030.01310.45
5.1.40.0020.01310.47
5.1.30.0030.01610.57
5.1.20.0050.01410.66
5.1.10.0020.01710.54
5.1.00.0070.02310.53
5.0.50.0030.0129.65
5.0.40.0060.0119.72
5.0.30.0020.0199.63
5.0.20.0040.0109.59
5.0.10.0030.0189.58
5.0.00.0050.0159.56
4.4.90.0040.0079.44
4.4.80.0030.0109.44
4.4.70.0050.0109.44
4.4.60.0030.0089.44
4.4.50.0020.0119.44
4.4.40.0020.0159.44
4.4.30.0010.0109.44
4.4.20.0050.0089.44
4.4.10.0020.0109.44
4.4.00.0030.0139.44
4.3.110.0040.0079.44
4.3.100.0020.0139.44
4.3.90.0020.0109.44
4.3.80.0030.0139.44
4.3.70.0020.0109.44
4.3.60.0000.0119.44
4.3.50.0020.0129.44
4.3.40.0020.0169.44
4.3.30.0020.0109.44
4.3.20.0030.0109.44
4.3.10.0070.0059.44
4.3.00.0030.0099.44

preferences:
44.32 ms | 401 KiB | 5 Q